*,div,h1-h6,a,ul,ol,li,form,p,img,input,table,th,tr,td,span,label,button,video,audio,iframe{
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei", serif;
}
.clearF:after{
    content: ""	;
    display: block;
    clear: both;
}
.clearF{
    zoom: 1;
}
/* 版心 */
.main{
    width: 1250px;
    margin: 0 auto;
}